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Stainless steel 1.4505 / AISI 441 Steel grade 1.4505 / AISI 441 belongs to the group of ferritic stainless steels stabilized with niobium and titanium. A significant content of chromium provides resistance to crevice corrosion and allows this stainless steel to be bought as an analogue of standard austenitic grades. Special characteristics The main properties […]
Stainless steel 1.4505 / AISI 441
Steel grade 1.4505 / AISI 441 belongs to the group of ferritic stainless steels stabilized with niobium and titanium. A significant content of chromium provides resistance to crevice corrosion and allows this stainless steel to be bought as an analogue of standard austenitic grades.
Special characteristics
The main properties of steel include:
– resistance to intergranular and crevice corrosion;
– resistance to oxidation, at temperatures up to 950 degrees;
– low coefficient of thermal expansion;
– high thermal conductivity.
Stainless steel sheet, grade 1.4505 / AISI 441, can be cold worked, including bending, deep drawing and so on . The steel has a high tensile strength, which, given its low hardening value, makes it very suitable for deep drawing.
Steel can be welded using conventional methods and filler materials.
Fields of application
Affordable price for this stainless steel contributes to its widest application. Grade 1.4505 / AISI 441 is successfully used in the production of heat exchangers, various elements of automobiles, elevator sheathing, sanitary ware, washing machines, decorative elements for interior decoration and so on.
Chemical composition of steel1.4505
| C | Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni | Mo | Other |
| ≤0.05 | 1.00 | 2.00 | ;0.045 | 0.015 | 16.5-18.5 | 19.0-21.0 | 2.00-2.50 | Cu 1.80-2.20 Nb≥8*(Nb+Ta) |
.
Mechanical properties of steel 1.4505
| Yield Rp0.2(MPa) |
Tensile Rm(MPa) |
Impact KV/Ku (J) |
Elongation A(%) |
Reduction in cross section on fracture Z(%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
| 345 (≥) | 976 (≥) | 33 | 24 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 112 |
Form of delivery of steel products 1.4505 / AISI 441
square p>Size: 10-80mm
| Round AISI 441/ EN 1.4505 | Diameter: 6 – 500mm |
| Sheet AISI 441/ EN 1.4505 | Thickness: 0.5 – 100mm |
| Pipe AISI 441/ EN 1.4505 | -Hot-rolled round pipe with diameter from 38 to 244.5 mm, thickness from 3 to 25 mm
-Cold-drawn round pipe diameter from 6 to 219.1mm thickness from 0.9 up to 14.2mm |
| Hexagon AISI 441/ EN 1.4505 | Diameter: 17-65mm |
| Strip AISI 441/ EN 1.4505 | Thickness: 5-50mm; Width: 50-250mm |
| AISI 441/EN 1.4505 |
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